Siemens SINAMICS PM240-2 90kW Power Module

Technical Overview

90kW (LO) / 75kW (HO) 3-phase 380-480V power module with integrated Class A filter and braking chopper, IP20 rated, 98% efficiency, for precise motor control.

Key Features

Air-cooled Power Module in blocksize format.
Protection rating IP20 / UL open type.
High efficiency of 98%.
Compatible with SINAMICS G120 Control Units.
Supports High Overload (HO) for constant torque (75 kW) and Low Overload (LO) for variable torque (90 kW) applications.
Wide input voltage range: 380-480V AC (+10%/-20%) at 47-63Hz.
Operating ambient temperature: -20°C to +50°C (HO) or -20°C to +40°C (LO).
Screw-type terminals for line and motor connections (M10 bolt).

Technical Specification Matrix

Parameter	Value
Input Voltage	3 AC 380-480 V ±10%
Line Frequency	47-63 Hz
Output Voltage	3 AC 400V IEC / 480V NEC
Rated Power (Low Overload, LO)	90.00 kW (125.00 hp)
Rated Power (High Overload, HO)	75.00 kW (100.00 hp)
Rated Current (LO)	178.00 A
Rated Current (HO)	145.00 A
Max. Output Current	290.00 A
Pulse Frequency	2 kHz
Output Frequency (Vector Control)	0-200 Hz
Output Frequency (V/f Control)	0-550 Hz
Overload Capability (LO)	110% for 57s, 150% for 3s (cycle time 300s)
Overload Capability (HO)	150% for 57s, 200% for 3s (cycle time 300s)
Efficiency η	0.98
Power Loss	2.33 kW
Filter Class (Integrated)	Class A
Cooling	Internal air cooling
Cooling Air Requirement	0.153 m³/s
Installation Altitude	1,000 m
Ambient Temperature (Operation LO)	-20 to +40 °C
Ambient Temperature (Operation HO)	-20 to +50 °C
Protection Rating	IP20 / UL open type
Line Side Connections	M10 bolt
Conductor Cross-section	35.00 - 120.00 mm²
Physical Weight (kg)	64
Dimensions L x W x H (cm)	74.5 x 46.9 x 38.5

Industrial Applications

1. Industrial Conveyor Systems

The Siemens SINAMICS PM240-2 power module can precisely control the speed and torque of large conveyor belts in manufacturing or logistics facilities. Its high overload capability (150-200% for short durations) is crucial for starting heavily loaded conveyors or handling momentary jams without tripping. The integrated braking chopper allows for rapid deceleration and stopping, which is essential for safety and efficient material handling. The 90kW LO rating is suitable for continuous movement.

Problem Solved

Provides robust, energy-efficient, and precise speed control for heavy-duty conveyor systems, enabling smooth acceleration/deceleration and protection against overloads, thereby improving throughput and reducing mechanical wear.

Variable Frequency DriveTorque ControlOverload ProtectionBraking ChopperMaterial HandlingConveyor Belt3-phase 400V90kW

2. Pump and Fan Control in HVAC/Water Treatment

The 90kW Low Overload (LO) rating of this power module is specifically designed for variable torque applications like pumps and fans, where the torque demand increases with the square of the speed. This module allows for energy-efficient regulation of flow rates or air circulation in large industrial HVAC systems or water/wastewater treatment plants. The IP20 rating means it would typically be installed in an electrical cabinet, protecting it from dust and splashes inherent in these environments.

Problem Solved

Optimizes energy consumption and operational efficiency of large pumps and fans by precisely matching motor speed to demand, reducing wear on mechanical components, and providing controlled starts and stops.

Variable TorqueEnergy EfficiencyHVACWater TreatmentPump ControlFan ControlIP2090kW

3. Extruder or Mixer Drives in Process Industries

In plastics, food processing, or chemical industries, extruders and mixers require precise speed and high torque control, often operating under high overload conditions, particularly during startup or when processing viscous materials. The 75kW High Overload (HO) rating (150% for 57s, 200% for 3s) is ideal for these demanding applications. The integrated filter minimizes electrical interference with other sensitive plant equipment.

Problem Solved

Delivers reliable and powerful speed/torque control for heavy-duty processing machinery, handling high initial torque and continuous high load conditions, while maintaining power quality on the industrial network.

High OverloadConstant TorqueExtrusionMixingProcess ControlMotor DriveIndustrial AutomationPower Quality75kW